Interesting facts about backpacks

A backpack in its simplest frameless form, a fabric sack carried on one’s back and secured with two straps that go over the shoulders, but it can have an external frame, internal frame, and there are bodypacks. It is also called knapsack, rucksack, rucksac, pack, sackpack, booksack, bookbag or backsack. The word “backpack” was coined … Read more